Large corrugated metal pipe is used for culverts, drainage channels, road crossings, and underground water passages. The corrugated wall gives the pipe ring stiffness while keeping the structure lighter than a full concrete culvert.
The pipe is usually formed from curved plates or sections, then connected with bolts on site. This makes it useful for road works where short construction time matters. The bedding, backfill, bolt tightening, and anti-corrosion layer should be checked carefully, because the pipe works together with the soil around it.
Product Parameters
|
Parameter |
Value |
|
Material |
Q355GNH / S350GD+AZ or by design |
|
Span |
0.5-15 m common range |
|
Soil cover |
1-30 m by design |
|
Ring stiffness |
150 kN/m² reference from project note |
|
Zinc layer |
≥84 μm reference value |
|
Corrosion test |
3000 h salt spray reference |
|
Service life |
Up to 100 years by design condition |
|
Installation |
Bolted modular assembly |
Product Advantages
The large corrugated metal pipe helps shorten site work because many pieces arrive ready for bolting.
1. Modular plates are easier to move than large concrete pieces.
2. Corrugation improves ring stiffness under soil pressure.
3. Damaged or wrong sections are easier to replace before backfill.
Main Applications
A large corrugated metal pipe is used where water, soil pressure, and road load meet in one place.
1. Highway and rural road culverts.
2. Drainage under industrial yards.
3. Temporary or permanent water passage projects.
4. Frozen soil, swamp, or soft ground after design review.
Our Services
Tengshida can discuss drawing size, wind load, surface finish, packing method, and loading plan before production. For site projects, the work can also include drawing review, material confirmation, factory inspection photos, and basic installation notes.
FAQ
Q: Can it replace a concrete culvert?
A: A large corrugated metal pipe can replace concrete in many projects, but span, cover depth, water flow, and backfill condition must be checked.
Q: Does it need concrete foundation?
A: Not always. Bedding design depends on soil, load, and local drawing.
Q: How is corrosion handled?
A: Galvanizing, aluminum-zinc coating, epoxy, or asphalt coating can be selected by environment.
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